SYSTEM AND METHOD FOR TRACE GAS LEAK DETECTION OF LARGE LEAKS AT RELATIVELY HIGH TEST PRESSURES - Patent 2059780

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EP 2 059 780 A1

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(43)	Date of publication:
	20.05.2009 Bulletin 2009/21

(21)	Application number: 07837455.0

(22)	Date of filing: 28.08.2007

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International Patent Classification (IPC):

G01M 3/20^(2006.01)

G01N 33/00^(2006.01)

(86)	International application number:
	PCT/US2007/018962

(87)	International publication number:
	WO 2008/027411 (06.03.2008 Gazette 2008/10)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK RS

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Priority:

31.08.2006 US 513716

(71)	Applicant: Varian, Inc.
	Palo Alto, CA 94304 (US)

(72)	Inventors:
	PERKINS, Charles Boston, MA 02116 (US) PALENSTYN, Pieter Plympton, MA 02367 (US)

(74)	Representative: Foster, Mark Charles et al
	Mathisen, Macara & Co. The Coach House 6-8 Swakeleys Road Ickenham, Uxbridge UB10 8BZ Ickenham, Uxbridge UB10 8BZ (GB)

(54)	SYSTEM AND METHOD FOR TRACE GAS LEAK DETECTION OF LARGE LEAKS AT RELATIVELY HIGH TEST PRESSURES